| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [adv] [adj] | 817 |
|
| 2 | [ex0] must be [adj] | 416 |
|
| 3 | [ex0] must be [adv] | 64 |
|
| 4 | [ex0] be [adv] [adj] | 13 |
|
